• Fitment: Compatible with GMC LQ9 LQ4 LS2 LS3 LS7 LSX 5.3 6.0 6.2 7.0.Compatible with D510C (12570616) LS3，D581 (12558693) Truck Coil，D585 (10457730,19005218) Truck,D513A (12570616) LS2/LS7 First Design Coil,D514A (12573190) LS2/LS7 Second Design.
• Performance: Our wiring harness connector will solve your vehicle's problems such as misfiring, rough idling or engine lag due to faulty ignition coil connections. It provides a reliable and stable connection, eliminating loose connections, short circuits, or voltage drops.
• Construction：Constructed from premium materials, our connectors are built to withstand the heat and vibration of the engine compartment. Just as they have endured in demanding driving conditions.
• Strict Quality Control: We implement strict quality control standards before the products reach you. Each product is inspected and tested several times before shipment
• Service: If you encounter any problems during the purchase and use, please send us a message, we will be at your service.